题目

Cell Phones: Hang Up or Keep Talking      Millions of people are using cell phones today. In many places, it is actually considered unusual not to use one.     36      They find that the phones are more than a means of communication – having mobile phone shows that they are cool and connected.      The explosions around the world in mobile phone use make some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. Mobile phone companies are worried about the negative publicity(当前我国环保亟待解决的“白色污染”通常指的是A.白色的建筑材料B.一次性快餐盒、薄膜等废弃塑料C.“白粉”、“可卡因”这样的一些白色毒品D.农村因不合理施用而残留的农药、化肥